Originally Posted by AvengerPA
The won't be inhumans. They will be registered gifted. That is the synonym being used for mutants on Agents of SHIELD, and will be used in this movie. I also think the twins will be orphans, and their true parentage will be a mystery.
You can be registered gifted and Inhuman you know? Being RG is just a label being used for people with powers not necessarily explaining their origin.